Move SkGLContext and some GrGLInterface implementations to skgputest module

tools/gpu/gl/GLContext.h

Index: tools/gpu/gl/GLContext.h
diff --git a/include/gpu/gl/SkGLContext.h b/tools/gpu/gl/GLContext.h
similarity index 65%
rename from include/gpu/gl/SkGLContext.h
rename to tools/gpu/gl/GLContext.h
index fe41a606ef19923d246f31eab3269f63b0973c27..3f47613722330a607c26ab6f129336499d604fd4 100644
--- a/include/gpu/gl/SkGLContext.h
+++ b/tools/gpu/gl/GLContext.h
@@ -5,29 +5,29 @@
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
-#ifndef SkGLContext_DEFINED
-#define SkGLContext_DEFINED
+#ifndef GLContext_DEFINED
+#define GLContext_DEFINED
 
-#include "GrGLInterface.h"
+#include "gl/GrGLInterface.h"
 #include "../private/SkGpuFenceSync.h"
 
+
+namespace sk_gpu_test {
 /**
- * Create an offscreen opengl context with an RGBA8 / 8bit stencil FBO.
- * Provides a GrGLInterface struct of function pointers for the context.
- * This class is intended for Skia's testing needs and not for general
- * use.
+ * Create an offscreen Oppengl context. Provides a GrGLInterface struct of function pointers for
+ * the context. This class is intended for Skia's internal testing needs and not for general use.
  */
-class SK_API SkGLContext : public SkNoncopyable {
+class GLContext : public SkNoncopyable {
 public:
-    virtual ~SkGLContext();
+    virtual ~GLContext();
 
     bool isValid() const { return NULL != gl(); }
 
-    const GrGLInterface* gl() const { return fGL.get(); }
+    const GrGLInterface *gl() const { return fGL.get(); }
 
     bool fenceSyncSupport() const { return fFenceSync != nullptr; }
 
-    bool getMaxGpuFrameLag(int* maxFrameLag) const {
+    bool getMaxGpuFrameLag(int *maxFrameLag) const {
         if (!fFenceSync) {
             return false;
         }
@@ -39,12 +39,13 @@ public:
 
     /** Used for testing EGLImage integration. Take a GL_TEXTURE_2D and wraps it in an EGL Image */
     virtual GrEGLImage texture2DToEGLImage(GrGLuint /*texID*/) const { return 0; }
-    virtual void destroyEGLImage(GrEGLImage) const {}
+
+    virtual void destroyEGLImage(GrEGLImage) const { }
 
     /** Used for testing GL_TEXTURE_RECTANGLE integration. */
     GrGLint createTextureRectangle(int width, int height, GrGLenum internalFormat,
                                    GrGLenum externalFormat, GrGLenum externalType,
-                                   GrGLvoid* data);
+                                   GrGLvoid *data);
 
     /**
      * Used for testing EGLImage integration. Takes a EGLImage and wraps it in a
@@ -81,37 +82,42 @@ public:
      * Creates a new GL context of the same type and makes the returned context current
      * (if not null).
      */
-    virtual SkGLContext* createNew() const { return nullptr; }
+    virtual GLContext *createNew() const { return nullptr; }
 
     class GLFenceSync;  // SkGpuFenceSync implementation that uses the OpenGL functionality.
 
     /*
-     * returns the fencesync object owned by this SkGLContext
+     * returns the fencesync object owned by this GLContext
      */
-    SkGpuFenceSync* fenceSync() { return fFenceSync.get(); }
+    SkGpuFenceSync *fenceSync() { return fFenceSync.get(); }
 
 protected:
-    SkGLContext();
+    GLContext();
 
     /*
      * Methods that sublcasses must call from their constructors and destructors.
      */
-    void init(const GrGLInterface*, SkGpuFenceSync* = NULL);
+    void init(const GrGLInterface *, SkGpuFenceSync * = NULL);
+
     void teardown();
 
     /*
      * Operations that have a platform-dependent implementation.
      */
     virtual void onPlatformMakeCurrent() const = 0;
+
     virtual void onPlatformSwapBuffers() const = 0;
-    virtual GrGLFuncPtr onPlatformGetProcAddress(const char*) const = 0;
+
+    virtual GrGLFuncPtr onPlatformGetProcAddress(const char *) const = 0;
 
 private:
-    enum { kMaxFrameLag = 3 };
+    enum {
+        kMaxFrameLag = 3
+    };
 
-    SkAutoTDelete<SkGpuFenceSync> fFenceSync;
-    SkPlatformGpuFence            fFrameFences[kMaxFrameLag - 1];
-    int                           fCurrentFenceIdx;
+    SkAutoTDelete <SkGpuFenceSync> fFenceSync;
+    SkPlatformGpuFence fFrameFences[kMaxFrameLag - 1];
+    int fCurrentFenceIdx;
 
     /** Subclass provides the gl interface object if construction was
      *  successful. */
@@ -120,26 +126,16 @@ private:
     friend class GLFenceSync;  // For onPlatformGetProcAddress.
 };
 
+
 /** Creates platform-dependent GL context object.  The shareContext parameter is in an optional
- * context with which to share display lists. This should be a pointer to an SkGLContext created
+ * context with which to share display lists. This should be a pointer to an GLContext created
  * with SkCreatePlatformGLContext.  NULL indicates that no sharing is to take place. Returns a valid
  * gl context object or NULL if such can not be created.
  * Note: If Skia embedder needs a custom GL context that sets up the GL interface, this function
  * should be implemented by the embedder. Otherwise, the default implementation for the platform
  * should be compiled in the library.
  */
-SK_API SkGLContext* SkCreatePlatformGLContext(GrGLStandard forcedGpuAPI,
-                                              SkGLContext* shareContext = nullptr);
-
-/**
- * Helper macros for using the GL context through the GrGLInterface. Example:
- * SK_GL(glCtx, GenTextures(1, &texID));
- */
-#define SK_GL(ctx, X) (ctx).gl()->fFunctions.f ## X;    \
-                      SkASSERT(0 == (ctx).gl()->fFunctions.fGetError())
-#define SK_GL_RET(ctx, RET, X) (RET) = (ctx).gl()->fFunctions.f ## X;    \
-                  SkASSERT(0 == (ctx).gl()->fFunctions.fGetError())
-#define SK_GL_NOERRCHECK(ctx, X) (ctx).gl()->fFunctions.f ## X
-#define SK_GL_RET_NOERRCHECK(ctx, RET, X) (RET) = (ctx).gl()->fFunctions.f ## X
+GLContext* CreatePlatformGLContext(GrGLStandard forcedGpuAPI, GLContext *shareContext = nullptr);
 
+}  // namespace sk_gpu_test
 #endif